Features: *Simple operation and convenient to use, simple wiring diagram connection way. *Stable and reliable performance, high receive sensitivity.It can connect to the electronic control lock,garage door, light, electric curtain, household appliances,etc. *Super small body, the receiver box is about 7.1*5.5*2.5cm. *There working modes can be changed by yourself: you can switch Inching/self-locking/interlock function(adjustable)to as you need. *Learning pair code: it can work with any remote control with the same frequency, so you needn\'t worry about losing remote control any more. (If the remote control is lost, buy one and pair with the PCB board is OK.)